-
Detailed Explanation of Nutrient Uptake Patterns of Rice at Different Growth Stages
The nutrient uptake of rice at various growth stages differs considerably depending on the type. Double-season rice has a short growth period, especially the shortened vegetative growth period in the field, so vegetative growth and reproductive growth overlap shortly after transplanting. That is, tillering in the field begins at the same time as panicle differentiation, and the peak tillering stage occurs during panicle differentiation, thus forming a prominent nutrient uptake peak 2 to 3 weeks after transplanting; single-season rice forms two nutrient uptake peaks 2 to 3 weeks and 7 to 9 weeks after transplanting. The uptake rates of various nutrients by rice all reach
-
Soybean aphid outbreak forecast issued, growers need to take timely preventive measures
Based on the survey results from all forecasting stations across the province, combined with a comprehensive analysis of crop growth and meteorological conditions, soybean aphids are expected to occur at a moderate level overall across the province this year, with some cities and counties that have received less rainfall and had high early-season aphid populations reaching moderate-to-severe occurrence. The peak period of soybean aphid damage will be from mid-July to early August. 1. Occurrence is earlier than in normal years. According to monitoring by all forecasting and plant protection stations across the province, the first aphid sighting was on June 10, later than last year but still about 10 days earlier than in normal years. 2. Meteorological conditions are unfavorable for soybean aphid
-
Control Methods for Malformed Mushrooms in Off-Season Cultivation of Shiitake
In off-season cultivation of shiitake (Lentinula edodes), malformed mushrooms often occur because production conditions are not properly regulated, affecting the commercial quality and value of the mushrooms and greatly reducing production efficiency. The main manifestations of malformed mushrooms and their control measures are: 1. Small and thin caps. This manifests as caps that are both thin and small; even after a long growth period they cannot grow larger, and when eaten fresh they lack the distinctive aroma of shiitake. Control method: for bags that have not undergone color change, conditions must be regulated to induce color change; if the substrate nutrients are insufficient, they can be appropriately supplemented when soaking the bags, and
-
What are the methods for controlling pests in off-season shiitake mushrooms?
Off-season cultivation of shiitake mushrooms refers to cultivation production in which shiitake mushrooms fruit from June to September. During this season, pests are rampant. If control measures are not adequate, yield and mushroom quality will be affected, so control should be strengthened. The main measures are: thoroughly clean up pest sources and thoroughly clean the toilets, chicken coops, and garbage piles around the mushroom shed. It is best if they can be relocated. If they cannot be relocated, regular pesticide spraying for pest control can be carried out. Particular attention should be paid to eggs in large manure piles. Among them, eggs of fungus gnats and manure flies can be killed through measures such as high-temperature fermentation and surface spraying. Shed
-
Four Disease Prevention and Control Methods for Off-Season Shiitake Mushrooms
For off-season cultivation of shiitake mushrooms, during the high-temperature, high-humidity season from June to September, there are more diseases and contaminant fungi than in winter, but as long as prevention and control measures are appropriate, ideal production results can still be achieved. Log rot disease: in production, Trichoderma (green mold) usually infects first, then forms cross-infection with multiple fungi. Prevention and control measures: strictly and standardly carry out inoculation operations, and do not let mold spores fall into the substrate. Edible mushroom inoculation purification machines are worth promoting; when inoculating, turn on the purification machine for 5 minutes before operating. The effect is similar to conventional formaldehyde fumigation, and it avoids the possibility of formaldehyde residue and irritation to the human body.
-
Analysis of Off-Season Shiitake Mushroom Production and Market Conditions
1. Off-season shiitake mushrooms are produced during the high-temperature season from May to October using natural conditions such as mountain caves and civil air defense structures, or facilities such as constant-temperature cold storage. Nowadays, off-season cultivation is mostly carried out in existing cold storage (constant-temperature warehouses) or ordinary greenhouses using cooling equipment. The technical key points are: 1. Facility preparation: For an ordinary edible mushroom greenhouse, after completing spring production, immediately clean up, remove the original mushroom bags, clean the interior of the greenhouse, check and repair the greenhouse film, spray an appropriate amount of medication for sterilization, then build
-
Detailed Explanation of Key Techniques for Off-Season Shiitake Mushroom Cultivation
1. Preparatory work. The raw materials are corn cobs, sawdust and cottonseed hulls; the auxiliary materials are fine rice bran or wheat bran. Before using the greenhouse, use 15 grams of sulfur per cubic meter; when ignited it produces sulfur dioxide, which has strong sterilizing power and is used to disinfect the greenhouse. When fumigating the greenhouse with sulfur, the doors and windows must be tightly closed and people must leave to avoid poisoning. A 3% Lysol solution and Bordeaux mixture can also be used to disinfect the greenhouse. Before fruiting, the greenhouse interior must be dry, with relative air humidity kept at around 70%; dampness easily causes contamination by foreign fungi. To make full use of the space, racks can be set up inside the greenhouse, with each layer 30 cm,
-
B ag-cultivated shiitake mushroom off-season soil-covering cultivation technique
B ag-cultivated shiitake mushroom cultivation has always adopted the spring-planting, autumn-and-winter-mushroom model, with the fruiting period mainly concentrated from October to March of the following year, while April to September is a blank period for mushroom production. The total amount of fresh mushrooms cannot meet the growing consumer demand at home and abroad. In recent years, Zhukou Town, Qingyuan County, has explored a set of new techniques for off-season soil-covering cultivation of bag-cultivated shiitake mushrooms, achieving very good economic benefits and being very suitable for mushroom farmers' large-scale production. The technique is introduced below for reference by colleagues only: 1 Advantages The advantages of off-season soil-covering cultivation of shiitake mushrooms can be summarized in the following 5 aspects: 1.1 Year-round nature
-
Common mistakes in mushroom cultivation: growers need to avoid them
Insufficient pre-wetting: Wheat straw and rice straw should be fully soaked to facilitate fermentation. When turning the pile, insufficiently soaked wheat straw and rice straw require a large amount of water replenishment. If the water cannot be replenished sufficiently before two turnings, not only will it be difficult to replenish the water later, but it will also affect the growth of mycelium. Uneven turning: When turning the pile, the principle of "raw material in the middle, cooked material on both sides; the middle goes to both ends, and both ends go to the middle" should be followed. However, many people do not follow the above principle when turning the pile, resulting in uneven fermentation of the compost and failing to achieve the purpose of turning. Soil collection does not meet requirements: Some growers use undisinfect
-
What are the common mistakes made in mushroom cultivation?
Cultivating strawberries in small plastic tunnels keeps the plants growing vigorously, allows them to mature 19-22 days earlier, extends the harvest period by 13 days compared with open-field cultivation, and increases the total yield by 17% compared with open-field cultivation. The key cultivation techniques are as follows: 1. Building the tunnel. A small plastic tunnel can generally be set up according to the width of 2 cultivation beds (about 3 m wide). Insert the two ends of bamboo strips or wooden poles into the outer edges of the bed ridges on the north and south sides respectively, inserting 1 every 0.5 m along the length of the bed, and properly bury upright posts in the middle bed ridge for support, so that the arched height in the middle of the tunnel frame is 1 m. The tunnel length should preferably be 10-20 m,
条件筛选